Johnstone, W. W., & Johnstone, J. A. (2017). Colter's journey (First Pinnacle books paperback printing.). Pinnacle Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJohnstone, William W., और J. A. Johnstone. Colter's Journey. First Pinnacle books paperback printing. New York, NY: Pinnacle Books, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रJohnstone, William W., और J. A. Johnstone. Colter's Journey. First Pinnacle books paperback printing. Pinnacle Books, 2017.
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